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United States Patent | 6,153,095 |
Francisco | November 28, 2000 |
A drainpipe filter kit for installation on a sink drain, the kit having the parts necessary to install a substitute drain pipe with a filter canister between the sink drain and the sink trap, the kit including a drainpipe segment with end fittings for connection to a sink drain and trap, and a removable canister connected to the pipe segment having a drain spigot and a disposable filter packet. The filter packet includes a dissolvable sanitation tablet, the canister being easily removed after draining for disposal and replacement of the filter packet.
Inventors: | Francisco; Richard (4040 Seven Hills Rd., Castro Valley, CA 94546) |
Appl. No.: | 290035 |
Filed: | April 8, 1999 |
Current U.S. Class: | 210/153; 4/291; 4/292; 4/679; 210/443; 210/445; 210/453; 210/459 |
Intern'l Class: | B01D 035/02 |
Field of Search: | 210/153,443,445,453,459,447 4/290,291,292,679 |
705447 | Jul., 1902 | Sargent | 210/209. |
852044 | Apr., 1907 | Van der Minden. | |
1608966 | Nov., 1926 | Tanaka | 210/443. |
1817376 | Aug., 1931 | Izquierdo | 210/447. |
2467143 | Apr., 1949 | Mitchell | 210/443. |
2467547 | Apr., 1949 | Birnbaum | 210/532. |
2792120 | Apr., 1957 | Tinker | 210/453. |
4539718 | Sep., 1985 | Haer | 4/679. |
4609459 | Sep., 1986 | Hendrix | 210/445. |
4700412 | Oct., 1987 | Manuel | 4/679. |
4949406 | Aug., 1990 | Canelli | 4/679. |
5075905 | Dec., 1991 | Rutherford | 4/679. |
5525215 | Jun., 1996 | Marchionda | 210/153. |
5638557 | Jun., 1997 | Iida | 4/679. |